General

  • Target

    Go.exe

  • Size

    2.2MB

  • Sample

    240201-pxhx9sfegl

  • MD5

    dcf8c8ef55fd294027997128de155b9f

  • SHA1

    a7ca95740760a4bb57ef61814ec1579568fbffa2

  • SHA256

    236c90cde83b3dc403c3c186193b0d2cd14b067f6b4c840d5f0baee57840eba9

  • SHA512

    81a9c914c4ce6da21231d1d6cdab1a720935f3e20eef16136ff07293c9edfc4ed7e9ad3b909ed4ff88dd437ae8afeb12c0f3b81712b41486c18f695d0e7e033f

  • SSDEEP

    49152:V2JQb0rvdEeF5XsHuCmDKTkB7a1GwvvnE0jVBTs6vUaB:5wHH0kUHZjA6v/B

Malware Config

Extracted

Family

risepro

C2

193.233.132.62:50500

193.233.132.67:50500

Extracted

Family

smokeloader

Botnet

pub3

Targets

    • Target

      Go.exe

    • Size

      2.2MB

    • MD5

      dcf8c8ef55fd294027997128de155b9f

    • SHA1

      a7ca95740760a4bb57ef61814ec1579568fbffa2

    • SHA256

      236c90cde83b3dc403c3c186193b0d2cd14b067f6b4c840d5f0baee57840eba9

    • SHA512

      81a9c914c4ce6da21231d1d6cdab1a720935f3e20eef16136ff07293c9edfc4ed7e9ad3b909ed4ff88dd437ae8afeb12c0f3b81712b41486c18f695d0e7e033f

    • SSDEEP

      49152:V2JQb0rvdEeF5XsHuCmDKTkB7a1GwvvnE0jVBTs6vUaB:5wHH0kUHZjA6v/B

    • Detect Fabookie payload

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Fabookie

      Fabookie is facebook account info stealer.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Creates new service(s)

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies Windows Firewall

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks